Introduction
1–3
DDS-3 Drive Environmental Requirements
The DDS-3 drive has the following environmental requirements:
• Ambient Temperature
Operating 5_ C to 40_ C
(41_ F to 104_ F)
Non-Operating –40_ C to 70_ C
(–40_ F to 158_ F)
• Humidity
Operating 20% to 80%RH (non-condensing)
Non-Operating 5% to 95%RH
Maximum wet bulb temperature = 26_ C
• Vibration
Operating (3 axes for drives, 1 axis for autoloaders)
Swept Sine 0.3 g peak, 5–500 Hz @ 1 octave/min
Random 5–350 Hz @ 0.00053 g
2
/Hz
HP C1534A/ 350–500 Hz @ –6 dB/octave
36A/53A 500 Hz @ 0.000271 g
2
/Hz (≈0.5 g rms)
Random 5–350 Hz @ 0.0002 g
2
/Hz
HP C1533A/ 350–500 Hz @ –6 dB/octave
HP C1537A 500 Hz @ 0.0001 g
2
/Hz (≈0.3 g rms)
Non-Operating
Swept Sine 0.75 g peak, 5–500 Hz @ 1 octave/min
Random 5–100 Hz @ 0.020 g
2
/Hz
100–137 Hz @ –6 dB/octave
137–350 Hz @ 0.0107 g
2
/Hz
350–500 Hz @ –6 dB/octave
500 Hz @ 0.0052 g
2
/Hz (≈2.41 g rms)
